90' There will be four additional minutes at the end of this half.
90' Celtic will be kicking themselves after not making the early pressure count in this match and now finding themselves about to fall further behind Rangers who will take a 19 point lead at the top of the table unless the visitors can find a goal from somewhere.
88' Davis has done really well to settle the home side down and get them playing on the front foot after the red card.
81' Duffy's poor clearance falls to Kent who cuts inside and drives the ball at goal but Duffy recovers and blocks the shot for a throw.
75' CLOSE! The ball falls to Elyounoussi on the edge of the box and his volleyed effort just dips over the bar.
67' 6 - There have now been six red cards in the last seven Old Firm derby matches. Fiesty.
66' Edouard is now the lone striker with two banks for four behind him. It's a big task for the French forward who will be feeding on scraps for the remainder of this game.
64' Tavernier whips in a dangerous cross but no one can get on the end of it and the ball zips out for a goal kick.
60' GREAT TACKLE! Edouard breaks into the penalty box and fires a shot at goal but Balogun slides in and blocks the effort before Goldson cleans up and clears the ball away from danger.
59' Gerrard may look to bring on Defoe if Morelos continues to have a poor game up front.
56' Aribo drills the ball into Morelos on the penalty spot and he tries to shoot on the turn but Ajer blocks the shot behind for a corner.
53' Morelos hasn't been able to hold the play up at all for the home side all day so far. A key reason as to why Rangers have struggled to form any sort of attacking opportunity against a solid Celtic defence.
50' Hagi cuts inside on his left foot and tries his luck from range but the ball spins wide of the far post. A good move by the substitute with the first sign of intent from Rangers this half.
49' Aribo gives away a foul and Celtic regain possession again. The visitors have started where they left off in the first half, pressing high up the pitch and not giving Rangers any time on the ball.
46' We're underway for the second half.
As things stand, Rangers will remain 16 points clear at the top of the table and extend their unbeaten run in the league to 22 games. Meanwhile, Celtic really need to find a goal to begin to close the gap on the league leaders if they're to have any chance of turning their season around.
Celtic have been much the better side in the first half but haven't been able to find a goal for their efforts. McGregor's world class save keeps the score level at the break which will please the home side after a poor showing in the first half from Gerrard's side.
45' + 1' HALF TIME: Rangers 0-0 Celtic
45' Goldson is put under pressure by Edouard and the defender has to settle for conceding a corner. Turnbull's delivery finds Bitton but his header is wide.
43' Laxalt does really well to win the ball off of Morelos as the Colombian looked to be through on goal. Morelos is still looking for his first goal in an Old Firm derby after 13 appearances.
37' 71% - Rangers have recorded the lowest pass completion percentage so far this season in today's game against Celtic. Sloppy.
36' Kamara attempts to win the ball back but his tackle puts Griffiths through and his shot drifts just wide of the post.
33' Kent and Roofe have swapped wings in an effort to change things up against the Celtic fullbacks. Gerrard may be thinking about a change at half time with the way things have gone in the first half.
30' It's been a dominant opening half an hour for Celtic who have looked the much better side so far. The diamond formation is working wonders for them in terms of being able to press high up the pitch and also offering options for a pass against the midfield three of Rangers.
27' Morelos is fouled just inside the Celtic half allowing Rangers to breathe after another long spell of pressure from the visitors. Steven Gerrard was just calling Kent and Roofe to drop back a bit further to try and offer options when they win the ball back.
24' Aribo is really struggling to keep up with the pace of this game. He continues to play sloppy passes and gives possession away cheaply in dangerous areas in midfield.
22' OFF THE POST! Griffiths whips a shot towards the top corner but Allan McGregor pulls off a brilliant save to tip the ball onto the post and behind for a corner! Absolutely stunning goalkeeping from the Rangers 'keeper!
20' UNLUCKY! Rangers put together their first spell of pressure and it almost ends in a goal after some good play from Kent and Aribo, the ball dropped to Morelos on the penalty spot and his spin and shot is well saved.
18' Celtic win a corner after Frimpong did well to drive into the penalty box and his deflected shot looped up and out behind the goal.
15' Celtic continue to press high up the pitch and it's causing all sorts of problems for the Rangers defence. Soro is doing a brilliant job so far of winning the ball back quickly whenever the home side look to break out on the counter attack.
13' McGregor drills a shot from the edge of the box but he pulls it just wide of the post. Rangers need to wake up.
12' Celtic are dominating possession in the opening 15 minutes of this game. Rangers haven't been able to get going at all which will be a worry for Steven Gerrard.
9' Neil Lennon will be encouraged by his side's start to this game. They haven't allowed Rangers time on the ball and made sure they haven't allowed them to gain any rhythm or possession.
6' Griffiths tries his luck from the edge of the box and almost catches McGregor out with the shot but Rangers clear the ball away to safety.
4' Morelos is lucky to escape a yellow card after standing on Frimpong's ankle in a late tackle.
3' GREAT SAVE! McGregor drives forward for Celtic and feeds Edouard who takes a shot towards the far post but McGregor does well to dive to his left and thwart the effort. The follow-up by McGregor is pulled back for offside and Rangers survive an early scare.
2' Celtic have made a quick start to this match winning a series of early throws down the Rangers right side.
1' Rangers get us underway at The Ibrox.
The teams are making their way out onto the pitch. Kick off is moments away at The Ibrox.
Tavernier has the most goals and assists in the league this season (11 goals, 8 assists). The English defender has been a key player in Rangers impressive season so far.
Neil Lennon makes one change from the 3-0 victory against Dundee United with Christopher Julien dropping out of the starting line-up for Nir Bitton in the defence.
Steven Gerrard makes two changes from the win against St. Mirren on Wednesday with Balogun and Kent replacing Hagi and Helander.
SUBSTITUTES: Greg Taylor, Shane Duffy, Scott Brown, Albian Ajeti, Tom Rogic, Oliver Ntcham, Mohamed Elyounoussi, Hatem Elhamed, Conor Hazard.
CELTIC XI (4-4-2): Vasilios Barkas; Jeremie Frimpong, Kristoffer Ajer, Nir Bitton, Diego Laxalt; Ryan Christie, Ismalia Soro, David Turnbull, Callum McGregor; Leigh Griffiths, Odsonne Edouard.
SUBSTITUTES: Calvin Bassey, Filip Helander, Ianis Hagi, Jermain Defoe, Cedric Itten, Bongani Zungu, Nathan Patterson, Brandon Barker, Jon McLaughlin.
RANGERS XI (4-3-3): Allan McGregor; James Tavernier, Connor Goldson, Leon Balogun, Borna Barisic; Steven Davis, Glen Kamara, Joe Aribo; Ryan Kent, Kemar Roofe, Alfredo Morelos.
Rangers remain unbeaten in the Scottish Premiership this season having won 19 of their 21 played games. They currently sit top of the table, 16 points ahead of today’s opponents Celtic who are second.
Welcome to live coverage of the Old Firm derby between Rangers and Celtic today. Kick off is in 30 minutes.